(19)

(11)

EP 1 266 052 A1

(12)

(43) Date of publication: 18.12.2002 Bulletin 2002/51 (21) Application number: 01911882.7 (22) Date of filing: 13.03.2001

(51) International Patent Classification (IPC)7: C25D 7/06, C25D 5/02 (86) International application number: PCT/GB0101/086 (87) International publication number: WO 0106/8951 (20.09.2001 Gazette 2001/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.03.2000 GB 0005883 (71) Applicant: Technology Development Associate Operations Limited Market Harborough, Leicestershire LE16 7PS (GB)	(72) Inventor: LOWE, John, Michael Leicestershire LE16 8BQ (GB) (74) Representative: Fox-Male, Nicholas Vincent Humbert  Eric Potter ClarksonPark View House58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)